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Mailman Cross-Site Scripting and Weak Password Generation
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Secunia Advisory:
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SA13603
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Release Date:
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2005-01-12
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Popularity:
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10,628 views
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Critical:
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Less critical
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Impact:
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Cross Site Scripting
Brute force
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Where:
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From remote
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Solution Status:
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Unpatched
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| Software: | Mailman 2.x
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Subscribe:
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Instant alerts on relevant vulnerabilities 
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| CVE reference: | CVE-2004-1143
CVE-2004-1177
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Description:
A vulnerability and a weakness have been reported in Mailman, which can be exploited by malicious people to conduct cross-site scripting attacks and potentially brute force a user's password.
1) Input is not properly sanitised by "scripts/driver" when returning error pages. This can be exploited to execute arbitrary HTML or script code in a user's browser session in context of a vulnerable site by tricking a user into visiting a malicious web site or follow a specially crafted link.
2) A weakness in the algorithm of the automatic password generation causes only about five million different passwords to be generated. This makes it easier to brute force automatically generated passwords.
Solution:
1) Filter malicious characters and character sequences in a proxy or firewall with URL filtering capabilities.
2) Choose a strong password for subscriptions, instead of letting Mailman generate one.
Provided and/or discovered by:
1) Florian Weimer
2) ZENDAS
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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